It works by breaking down layers of thick skin, making it effective in treating conditions like acne, warts, psoriasis, calluses, and corns.

["Apply the medication externally as directed on the label"]

--As an AI, I don't have access to the NFI 2011 edition. However, I can tell you generally that OTC or over-the-counter medicines can have various adverse effects such as gastrointestinal issues, skin reactions, drowsiness, dizziness, internal bleeding, liver or kidney damage, allergic reactions, interactions with other medications, and more. It's important to always read the label and use OTC drugs as directed.